COMPRESSORS, GAS TURBINES AND JET ENGINES QUIZ

1 + k - k (p₂/p₁) n-1/n

1 - k + k (p₁/p₂) n- 1/n

1 + k - k (p₂/p₁)1/n

1 - k + k (p₁/p₂)1/n

0.1%

5%

0.5%

1.0%

Compression work/motor input

Isothermal H.P./shaft H.R

Isothermal H.P/indicated H.R

Total output/air input

Zero

More

Less

Same

Compressor efficiency

Mean effective pressure

Compression ratio

Compressor capacity

Reheating

Adding a regenerator

All of the listed here

Inter cooling

Volume of air delivered by the compressor

Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions

None of these

Volume of air sucked by the compressor during its suction stroke

Lower

Higher

Dependent on other factors

Same

Euler

Pressure coefficient

Isentropic efficiency

Compressor efficiency

Higher volumetric efficiency

Decreased discharge temperature

All of these

Lower power consumption per unit of air delivered